IT1187855B - PROTECTIVE DEVICE FOR THE CATALYST OF A CATALYTIC EXHAUST FOR VEHICLES - Google Patents

PROTECTIVE DEVICE FOR THE CATALYST OF A CATALYTIC EXHAUST FOR VEHICLES

Info

Publication number
IT1187855B
IT1187855B IT67029/86A IT6702986A IT1187855B IT 1187855 B IT1187855 B IT 1187855B IT 67029/86 A IT67029/86 A IT 67029/86A IT 6702986 A IT6702986 A IT 6702986A IT 1187855 B IT1187855 B IT 1187855B
Authority
IT
Italy
Prior art keywords
vehicles
catalyst
protective device
catalytic exhaust
catalytic
Prior art date
Application number
IT67029/86A
Other languages
Italian (it)
Other versions
IT8667029A0 (en
Inventor
Nunzio Vittorio Di
Rinaldo Bonardo
Original Assignee
Fiat Auto Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fiat Auto Spa filed Critical Fiat Auto Spa
Priority to IT67029/86A priority Critical patent/IT1187855B/en
Publication of IT8667029A0 publication Critical patent/IT8667029A0/en
Priority to DE8686830388T priority patent/DE3667700D1/en
Priority to EP86830388A priority patent/EP0236659B1/en
Priority to ES86830388T priority patent/ES2012359B3/en
Priority to BR8700227A priority patent/BR8700227A/en
Priority to JP62007407A priority patent/JPH0786323B2/en
Application granted granted Critical
Publication of IT1187855B publication Critical patent/IT1187855B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/0015—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for using exhaust gas sensors
    • F02D35/0023—Controlling air supply
    • F02D35/0038—Controlling air supply by means of air pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1446—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being exhaust temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/30—Arrangements for supply of additional air
    • F01N3/32—Arrangements for supply of additional air using air pump
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
IT67029/86A 1986-01-14 1986-01-14 PROTECTIVE DEVICE FOR THE CATALYST OF A CATALYTIC EXHAUST FOR VEHICLES IT1187855B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT67029/86A IT1187855B (en) 1986-01-14 1986-01-14 PROTECTIVE DEVICE FOR THE CATALYST OF A CATALYTIC EXHAUST FOR VEHICLES
DE8686830388T DE3667700D1 (en) 1986-01-14 1986-12-29 DEVICE FOR PROTECTING THE CATALYST OF A CATALYTIC MUFFLER POT OF A MOTOR VEHICLE.
EP86830388A EP0236659B1 (en) 1986-01-14 1986-12-29 Device for protecting the catalyst in a catalytic silencer for motor vehicles
ES86830388T ES2012359B3 (en) 1986-01-14 1986-12-29 DEVICE TO PROTECT THE CATALYST IN A CATALYTIC SILENCER FOR MOTOR VEHICLES.
BR8700227A BR8700227A (en) 1986-01-14 1987-01-12 PROTECTIVE DEVICE FOR THE INTERNAL ELEMENT OF A CATALYST FOR MOTOR VEHICLES
JP62007407A JPH0786323B2 (en) 1986-01-14 1987-01-13 A device for protecting a catalyst in an automobile catalyst silencer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67029/86A IT1187855B (en) 1986-01-14 1986-01-14 PROTECTIVE DEVICE FOR THE CATALYST OF A CATALYTIC EXHAUST FOR VEHICLES

Publications (2)

Publication Number Publication Date
IT8667029A0 IT8667029A0 (en) 1986-01-14
IT1187855B true IT1187855B (en) 1987-12-23

Family

ID=11299015

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67029/86A IT1187855B (en) 1986-01-14 1986-01-14 PROTECTIVE DEVICE FOR THE CATALYST OF A CATALYTIC EXHAUST FOR VEHICLES

Country Status (6)

Country Link
EP (1) EP0236659B1 (en)
JP (1) JPH0786323B2 (en)
BR (1) BR8700227A (en)
DE (1) DE3667700D1 (en)
ES (1) ES2012359B3 (en)
IT (1) IT1187855B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5060473A (en) * 1988-07-13 1991-10-29 Nissan Motor Company, Limited System for detecting deterioration of catalyst in catalytic converter
DE8811670U1 (en) * 1988-09-15 1988-12-22 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart Ignition failure circuit for a multi-cylinder internal combustion engine
DE3922523A1 (en) * 1989-07-08 1991-01-17 Bosch Gmbh Robert DEVICE FOR CONTROLLING, CONTROLLING AND / OR MONITORING THE COMBUSTION IN INTERNAL COMBUSTION ENGINES
JP2518696B2 (en) * 1989-07-26 1996-07-24 日産自動車株式会社 Diagnostic device for exhaust purification system of internal combustion engine
JPH03182670A (en) * 1989-12-11 1991-08-08 Mitsubishi Electric Corp Internal combustion engine electronic control unit
IT1237742B (en) * 1989-12-22 1993-06-15 Fiat Auto Spa ALARM DEVICE FOR THE PROTECTION OF CATALYTIC CONVERTERS FOR THE EXHAUST GASES OF ENDOTHERMAL ENGINES AND VEHICLE EQUIPPED WITH SUCH DEVICE
GB9003316D0 (en) * 1990-02-14 1990-04-11 Lucas Ind Plc Monitoring of operation of catalytic converter
KR100196616B1 (en) * 1990-08-28 1999-06-15 베. 마우스; 베. 디트리히 Monitoring of the catalytic activity of a catalyst in the exhaust gas systm of an internal combustion engine
DE4027207A1 (en) * 1990-08-28 1992-03-05 Emitec Emissionstechnologie MONITORING THE CATALYTIC ACTIVITY OF A CATALYST IN THE EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE
DE4032721A1 (en) * 1990-10-15 1992-04-16 Emitec Emissionstechnologie MONITORING THE FUNCTION OF A CATALYZER FLOWING FROM A CATALYZABLE FLUID
DE4033026C2 (en) * 1990-10-18 1997-09-04 Bayerische Motoren Werke Ag Method for avoiding thermally critical states of an exhaust gas aftertreatment device for an internal combustion engine
DE4038829A1 (en) * 1990-12-05 1992-06-11 Emitec Emissionstechnologie DETERMINATION OF A REACTION ZONE IN A CATALYST
IT1247965B (en) * 1991-06-03 1995-01-05 Testel Spa VEHICLE EXHAUST GAS TEMPERATURE CONTROL DEVICE.
DE4211092A1 (en) * 1992-04-03 1993-10-07 Bosch Gmbh Robert Method and device for assessing the functionality of a catalytic converter
US5431012A (en) * 1994-07-05 1995-07-11 Ford Motor Company System for monitoring the performance of automotive catalysts
DE19744410C2 (en) * 1997-10-08 2001-06-21 Ford Global Tech Inc Method for monitoring the smooth running control of an internal combustion engine
DE19924029C2 (en) 1999-05-26 2001-05-23 Porsche Ag Method for monitoring the function of an exhaust gas aftertreatment system
FR2862100B1 (en) * 2003-11-07 2008-04-04 Peugeot Citroen Automobiles Sa SYSTEM FOR AIDING THE REGENERATION OF INTEGRATED EMISSION MEANS IN AN EXHAUST LINE OF A VEHICLE
FR2886347B1 (en) 2005-05-31 2007-07-13 Renault Sas METHOD AND DEVICE FOR DETECTING THE PRESENCE OF A SYSTEM FOR TREATING GASEOUS EFFLUENTS IN AN EXHAUST LINE OF AN INTERNAL COMBUSTION ENGINE.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696618A (en) * 1971-04-19 1972-10-10 Universal Oil Prod Co Control system for an engine system
JPS5134529B2 (en) * 1972-02-03 1976-09-27
GB1372160A (en) * 1972-03-22 1974-10-30 Nissan Motor Exhaust cleaning apparatus for internal combustion engines
JPS5129260B2 (en) * 1972-09-14 1976-08-24
GB1444362A (en) * 1972-11-28 1976-07-28 Lucas Electrical Ltd Internal combustion engine exhaust emission control
DE2328459A1 (en) * 1973-01-31 1975-01-02 Bosch Gmbh Robert System for checking activity of catalytic reactors - signals bad functioning of such reactors and causes engine to run unstable
JPS5121013U (en) * 1974-08-04 1976-02-16
JPS5996423A (en) * 1982-11-24 1984-06-02 Honda Motor Co Ltd Overheat preventing device for catalyst
JPS6241815U (en) * 1985-08-30 1987-03-13

Also Published As

Publication number Publication date
DE3667700D1 (en) 1990-01-25
JPH0786323B2 (en) 1995-09-20
IT8667029A0 (en) 1986-01-14
BR8700227A (en) 1987-12-01
EP0236659B1 (en) 1989-12-20
JPS62178710A (en) 1987-08-05
EP0236659A1 (en) 1987-09-16
ES2012359B3 (en) 1990-03-16

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950131